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Writing Bragg Gratings in Multicore Fibers
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Composed Multicore Fiber Structure for Extended Sensor Multiplexing with Fiber Bragg Gratings
Ravil Idrisov1, Adrian Lorenz1, Manfred Rothhardt1
1Leibniz Institute of Photonic Technology, 07745 Jena, Germany.
Sensors (Basel, Switzerland)
|May 28, 2022
Summary
This study introduces a novel multicore optical fiber for multiplexed sensing. This design enhances sensor capacity and length while maintaining spatial resolution, optimizing sensing networks.
Area of Science:
- Optoelectronics and Photonics
- Fiber Optics
- Sensing Technology
Background:
- Multiplexed sensing applications require advanced optical fiber designs.
- Current methods face limitations in sensor capacity and spatial resolution.
- Selective grating inscription is crucial for efficient multiplexed fiber sensing.
Purpose of the Study:
- To present a novel multicore optical waveguide component for multiplexed sensing.
- To demonstrate a fiber design enabling selective grating inscription.
- To enhance optical sensor capacity and extend sensing length with preserved spatial resolution.
Main Methods:
- Utilizing a multicore fiber with distinct core dopants for selective grating inscription.
- Applying a draw tower inscription process for efficient fabrication.
- Experimental validation of the proposed fiber-based sensing component.
Main Results:
- Demonstrated feasibility of selective grating inscription in multicore fibers.
- Achieved increased optical sensor capacity and extended sensing length.
- Preserved high spatial sensing resolution within a single optical fiber.
Conclusions:
- The novel multicore fiber design is effective for multiplexed sensing applications.
- The proposed method allows for efficient production of sensing networks.
- This technology offers a promising solution for advanced fiber optic sensing systems.
